Explore 4.6 billion years of our Spokane Nature Corridor’s history. When was the first salmon feast in Spokane? Where is the oldest ancient tree? When did the dinosaurs disappear? When did the woolly mammoth and saber tooth tiger live in the Spokane Nature Corridor? How many great flows of lava poured over our land? Was there more than one Great Flood? What climate changes have taken place? Was Spokane once along the Pacific Ocean? How was Spokane Falls created? These and other mysteries are explored.